Join Date: Jan 2006
Location: Orlando Florida
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Is this the break-in of a new cam and lifters. Most recommend to adjust the lifters with the engine off, rotating by hand and watching the valve movement on the cylinder that you are about to adjust. Google "EOIC valve adjustment method".
For new cam and lifter break-in you should be using a special "break-in oil". Such as https://www.summitracing.com/search?...Break-in%20oil
1982 F-250 XLT 4x4, 5800lbs, C6-BW1345, 466 cid, 9.5:1, TFS290 PowerPort heads, Crane Hyd Roller Cam (278/286 adv., 216/224 @.050), Edelbrock Performer, Hedman headers, QFT HR-780VS, MSD6A and Billet dist., NOS Cheater system, 4.56 gearing, 7" lift, 37" tires.